diff --git a/Day15/Part2.js b/Day15/Part2.js
new file mode 100644
index 0000000..f02ceea
--- /dev/null
+++ b/Day15/Part2.js
@@ -0,0 +1,12 @@
+import { readFileSync } from "fs";
+const t0 = performance.now();
+
+const input = readFileSync("input.txt").toString().split("\n")[0].split(",");
+const hashes = input.map((e) =>
+	e.split("").reduce((a, i) => ((a + i.charCodeAt(0)) * 17) % 256, 0)
+);
+const sum = hashes.reduce((a, i) => a + i);
+console.log(sum);
+
+const t1 = performance.now();
+console.log(`Runtime: ${t1 - t0}ms`);